diff --git a/arm9/source/nand/sdmmc.c b/arm9/source/nand/sdmmc.c
index 1f3d2e7..3654f98 100644
--- a/arm9/source/nand/sdmmc.c
+++ b/arm9/source/nand/sdmmc.c
@@ -469,7 +469,7 @@ int SD_Init()
 
 	// We need to send at least 74 clock pulses.
 	set_target(&handleSD);
-	wait(0x1980); // ~75-76 clocks
+	wait(2 * 128 * 74);
 
 	sdmmc_send_command(&handleSD,0,0);
 	sdmmc_send_command(&handleSD,0x10408,0x1AA);
diff --git a/arm9/source/nand/wait.s b/arm9/source/nand/wait.s
index 8cb3a58..2647d90 100644
--- a/arm9/source/nand/wait.s
+++ b/arm9/source/nand/wait.s
@@ -5,7 +5,6 @@
 .global wait
 .type wait, %function
 wait:
-	subs r0, r0, #2
-	nop
-	bgt wait
+	subs r0, r0, #4
+	bcs wait
 	bx lr